gneet    TOPIC :Set and Function Number of questions are 77

Questions from exercise 7A Q.1 - 32;   exercise 7B Q.33 - 52;   exercise 7C Q.53 - 77;  
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QUESTION    2
EXERCISE 7 A Q. 1
Q.1) The number of subsets of the set {2, 3, 5} is

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Correct

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The number of subsets for a set having n elements is 2n
The set {2, 3, 5} has three elements.
So the number of subsets = 23
= 8.
Answer : (b)


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